Gerrhopilus oligolepis
Habitat
About 5,000 feet at the type locality
Range
Eastern Himalayas: Sikkim and Darjeeling in India, and Nepal
The few-scaled worm snake, or Wall's worm snake, is a harmless blind snake found in northern India and Nepal, in the eastern Himalayas in the area of Sikkim and Darjeeling. No subspecies are recognised (Wikipedia, general species account).
The type locality is the Nagri Valley below Darjeeling at an altitude of about 5,000 feet. The account used here gives no further detail.